JP4388420B2 - Railway vehicle - Google Patents

Description

  The present invention relates to a railway vehicle having a roof raising / lowering hatch.

In an electric railway vehicle that travels by taking power into the car with a current collector such as a pantograph from an overhead line on the track, it is necessary to go up and down on the roof to check and maintain the current collector on the roof. A step is provided on the face of the vehicle (see, for example, Patent Document 1).
JP-A-2002-173023, page 5, FIGS.

  However, in recent years, in high-speed vehicles such as the Shinkansen, the connecting portions of each vehicle are covered with outer hoods that are substantially flush with the roof surface and both side surfaces of the front and rear vehicles to reduce noise generated from the connecting portions. For this reason, it is no longer possible to use the step on the wife's face as before.

  Accordingly, an object of the present invention is to provide a railway vehicle having a roof raising / lowering hatch that can be raised and lowered on a roof even if a connecting portion between the vehicles is closed with an outer hood.

In order to achieve the above-described object, the present invention forms a roof opening serving as an entrance / exit in a roof structure of a vehicle, and provides a roof lid for closing the roof opening so as to be rotatable to the inside of the vehicle. An airtight structure is formed between the outer peripheral edge and the inner peripheral edge in a state where the roof opening is closed by interposing a packing between the formed inner peripheral edge of the roof opening and the outer peripheral edge of the roof lid. In addition, a drainage pipe is provided between the outer peripheral edge and the packing to drain rainwater that has entered between the outer peripheral edge and the inner peripheral edge through the side wall of the vehicle body to the lower part of the vehicle body. It is said. Further, the roof opening is preferably formed by cutting out an inner plate of the roof structure larger than an outer plate, and further, the roof lid body in a closed state with a peripheral edge of the roof opening. between the peripheral edge is preferably being sealed with sealing agent charged from the outer surface side of the roof structure, furthermore, the roofing cover body, its outer surface when closed said roof and this made formed on the outer surface flush with the structure, the roof opening the inner plate is formed by cutting larger than the outer plate before Symbol roof structure, and two opposing sides in the vehicle body side direction, the longitudinal direction of the vehicle body The inner plate on two sides opposite to each other is cut out into a quadrangle larger than the outer plate, and a reinforcing bone is inclined inward of the roof opening portion toward the outer plate between the inner plate and the outer plate on each side. Each of which is formed by welding and is squared to the reinforcing bone on each side and the outer plate The frame body is welded and joined, and the frame body has a tapered surface portion joined to the reinforcing bones on each side and a flat surface portion joined to the lower surface of the outer plate on each side, Among the tapered surface portions, a taper surface joined to one side of the roof opening on the side surface of the vehicle body is attached with a hinge for opening the roof lid to the inside of the vehicle and supports the roof lid. A damper is attached, and the rest of the taper surface portions of the three sides are respectively attached lock receivers when the roof lid is closed, and the flat portion of each side has an inner portion of the roof opening. The packing is attached so as to surround the periphery, and the lid for the roof is a rectangular lid plate having a size that forms a slight gap with the outer plate on the four peripheral edges of the roof opening, and the lid plate Are joined to the inside of the four circumferences as outer peripheral edges, respectively The flange is configured with a substantially L-shaped flange portion, and among the flange portions, the hinge is attached to a flange portion that is on one side of the roof opening, and the remaining three sides of the flange portion are A lock member that engages with each lock receiver and closes the roof lid is attached, and the bent portion of the flange portion enters from the gap between the periphery of the roof opening and the periphery of the lid plate. It is formed in a concave shape over the entire circumference so as to be a rainwater trap, and is formed in a concave shape over the entire periphery so as to be a rainwater trapped from the gap between the two edges. The drainage pipe for draining rainwater through a hose is provided, and a ceiling opening having a size capable of opening and closing the roof lid is formed on the ceiling panel below the roof opening. And a ceiling lid for closing the ceiling opening. It is preferable to be provided so as to be pivotable to the side.

  As described above, the present invention can move up and down on the roof from the inside of the vehicle using the roof opening as an entrance even if the connecting portion is covered with an outer hood. Easily accessible on the roof for checking and maintaining abnormalities. In addition, the packing can ensure airtightness and watertightness between the roof opening and the roof lid, and the roof outer surface and the outer surface of the roof lid are flush with each other, thereby suppressing an increase in excess air resistance. it can. Furthermore, by sealing the gap between the roof opening and the roof lid with a sealant, it is possible to prevent water from entering the gap and reduce noise during travel.

  Hereinafter, the present invention will be described based on an embodiment shown in the drawings. The vehicle 1 is covered with outer hoods 5 that are substantially flush with the roof surface and both side surfaces of the inner hoods 4 and 4 around the passage between the vehicles 2 and 3 connected to the front and rear. In the crew room 6 provided in the vehicle 1, a roof raising / lowering hatch 8 is provided on the roof structure 7 in order to move up and down on the roof, and a ceiling raising / lowering hatch 9 is provided below the roof raising / lowering hatch 8. Is provided.

  The roof raising / lowering hatch 8 includes a rectangular roof opening 11 formed in the roof structure 7 as an entrance to the roof, and a roof lid 12 that closes the roof opening 11. The ceiling elevating hatch 9 includes a quadrangular ceiling opening 14 formed in the ceiling panel 13 and a ceiling lid 15 that closes the ceiling opening 14.

  The roof opening 11 is formed by cutting the inner plate 7a of the roof structure 7 of two sides 11a and 11b facing in the vehicle body side direction and the two sides 11c and 11d facing in the vehicle longitudinal direction into a quadrangle larger than the outer plate 7b. The reinforcing bone 7c is formed by welding between the inner plate 7a and the outer plate 7b of each side 11a, 11b, 11c, 11d, and a rectangular frame is formed on the reinforcing bone 7c and the outer plate 7b on each side. The body 16 is welded. The frame 16 has a tapered surface portion 16a that is joined to the reinforcing bone 7c on each side, and a flat portion 16b that is joined to the lower surface of the outer plate 7b on each side.

  On the taper surface portion 16a of the frame body 16 joined to one side 11a on the vehicle body side surface side of the roof opening 11, hinges 17 for opening the roof lid body 12 to the vehicle interior side are attached at two locations, A total of four gas dampers 18 for supporting the roof lid 12 with two hinges 17 interposed therebetween are attached. Further, lock receivers 19 when the roof cover 12 is closed are attached to the tapered surface portions 16a of the remaining three sides 11b, 11c, and 11d, respectively. Further, a packing 20 is attached to the flat portion 16b of each side 11a, 11b, 11c, 11d so as to surround the inner peripheral edge of the roof opening 11.

  The roof lid 12 has a rectangular lid plate 12a having a size that forms a slight gap with the outer plate 7b at the four peripheral edges of the roof opening 11, and inside the four circumferences of the lid plate 12a. It is comprised by the flange part 12b of a cross-section substantially L shape joined as an outer periphery, respectively. A plurality of rail-direction bone members 12c are integrally formed on the inner side of the lid plate 12a at equal intervals, and the sleeper-direction bone members 12d are divided into a central portion and both side portions in a direction crossing each rail-direction bone member 12c. This is joined. The flange portions 12b are respectively attached to attachment plates 12e joined to the inner four sides of the cover plate 12a with rivets 12f. The hinges 17 are attached to the flange portion 12b on the one side 11a side of the roof opening 11 at two locations so that the roof lid 12 can be turned to the inside of the vehicle. The rod end of each gas damper 18 is attached to the second rail-direction bone member 12c from the first side to which the hinge 17 is attached. The remaining three sides of the flange portion 12b are attached with lock members 21 that engage with the lock receivers 19 of the three sides 11b, 11c, and 11d of the roof opening 11 and close the roof lid 12 respectively. It has been.

  The lid plate 12a is arranged so that the outer surface of the outer plate 7b of the roof lid 12 is flush with the outer surface when the roof opening 11 is closed and the lock member 21 is engaged with the lock receiver 19. Is formed. Further, the bent portion of the flange portion 12b has an entire circumference so that it becomes a gutter 12g when rainwater enters from a slight gap between the outer plate 7b of the roof opening 11 and the outer peripheral edge of the lid plate 12a. A drain pipe 12h for collected rainwater is provided at one location of the gutter 12g. The drain pipe 12h is connected to a hose (not shown) that drains through the side wall of the vehicle body to the lower part of the vehicle body.

  The lock member 21 includes a handle 21a rotatably attached to a bracket 22 provided at a central portion of the flange portion 12b via a support shaft 23, and a locking piece 21b that rotates integrally with the handle 21a. The locking piece 21b is inserted into the engagement groove 19a of the lock receiver 19, and the packing 20 is compressed by the flange portions 12b to close the roof lid 12. An airtight structure is maintained between the inner periphery of the roof opening 11 and the outer periphery of the roof lid 12.

  Further, in the slight gap between the peripheral edge of the roof opening 11 and the peripheral edge of the cover plate 12a of the roof lid 12, the roof structure 7 is closed with the roof lid 12 closed. Sealing agent S is filled from the outer surface side to seal the gap, preventing water from entering the gap and reducing noise during travel. The sealing agent S is peeled off when the roof lid 12 is opened, but the effect is lost. However, opening the roof lid 12 is very rare, and after opening, the roof lid 12 is closed at the vehicle maintenance base. It is filled again between the inner end edge of the roof opening 11 in the state of being in the state and the outer end edge of the cover plate 12 a of the roof lid 12.

The ceiling elevating hatch 9 includes a ceiling opening 14 formed in the ceiling panel 13 below the roof elevating hatch 8 and a ceiling lid 15 that closes the ceiling opening 14. The ceiling opening 14, the opening and closing operation of the roof lid 12 in a size and possible, and is formed to a larger quadrilateral than the roof opening 11. In the ceiling opening 14, the ceiling lid 15 can be turned inward by three damper hinges 31 attached to one side 14 a on the same side as the hinge 17 of the roof lid 12. Is provided.

  Two lock members 32 and 33 are provided side by side on the side 15b of the ceiling lid 15 facing the hinge mounting side 15a. A lock receiver 34 of the lock member 32 and a lock receiver 35 of the lock member 33 are attached to the side 14b of the ceiling opening 14 facing the hinge mounting side 14a corresponding to the lock members 32 and 33. ing. The lock member 32 includes a support shaft 32a that can be rotated from the indoor side, and a locking piece 32b that rotates integrally with the support shaft 32a. A key is inserted into a key groove formed on the lower surface of the support shaft 32a. To rotate. The lock member 33 retreats the latch 33a that is urged by a spring from the inside of the main body and retreats with the dial 33b on the roof structure 7 side, and the taper surface of the latch 33a faces the roof structure 7 side. The lock receiver 35 is an electric lock in which a holder 35a of the latch 33a is rotatably provided below the insertion hole of the latch 33a. When the push button 36 is pressed in a state where power is cut off, the holder 35a is moved downward. Rotate to release the locked state. Further, a handle 37 for opening the ceiling lid 15 is provided in the vicinity of the lock member attachment side 15b of the ceiling lid 15.

  With this configuration, when the ceiling lid 15 is opened, when the push button 36 is pressed in a state where the power to the vehicle 1 is cut off, the holder 35a of the lock receiver 35 is rotated downward to lock member 33. Release the lock status. Subsequently, the ceiling member 15 can be opened by turning the lock member 32 to unlock the handle 37 and placing the hand on the handle 37. At this time, the ceiling lid 15 is slowly opened to the vehicle interior by the damper-equipped hinges 31.

  Next, the case where the roof raising / lowering hatch 8 and the ceiling raising / lowering hatch 9 configured as described above are opened to rise to the roof will be described. When the energized state of the overhead line for supplying power to the vehicle 1 is released, the ceiling lid 15 is opened as described above, and then the handle 21a of each lock member 21 of the roof lid 12 is opened. When the locked state is released by rotating, the roof lid 12 is slowly opened to the vehicle interior by the gas dampers 18. In this state, the folding ladder 40 stored in the crew room 6 is extended and leaned against the roof opening 11, and the ladder 40 is used to move up and down on the roof.

  In this way, since the roof raising / lowering hatch 8 is used as the doorway, the roof is raised and lowered from the inside of the vehicle, so that even if the connecting portion is covered with the outer hood 5, Easily accessible on the roof for confirmation and maintenance. Further, when the roof lid 12 is closed, the packing 20 keeps airtight and watertight, and the outer surface of the roof lid 12 is flush with the outer surface of the outer plate 7b of the roof structure 7. An increase in excess air resistance can be suppressed. Further, the outer surface of the roof structure 7 with the roof lid 12 closed in a slight gap between the inner edge of the roof opening 11 and the outer edge of the lid 12a of the roof lid 12. By sealing the gap by filling the sealant S from the side, it is possible to prevent water from entering the gap and reduce noise during traveling. Further, since the ceiling lid 15 is slowly opened to the inside of the vehicle by the damper-equipped hinge 31, and the roof lid 12 is slowly opened to the inside of the vehicle by the gas dampers 18, the lids 15 and 12 are There is no risk of falling suddenly and hitting the operator's head. Moreover, since the ceiling lid 15 can be opened when the energized state of the overhead line that supplies power to the vehicle 1 is released, it is possible to ensure the safety of the worker who rises to the roof of the vehicle 1 for inspection or the like. .

Cross-sectional view of the roof elevating hatch and ceiling elevating hatch A view of the roof elevating hatch from the inside of the car Expanded cross-sectional view of the hinge part of the roof elevating hatch and ceiling elevating hatch Enlarged cross-sectional view of the opposite side of the hinge of the roof elevating hatch A view of the ceiling elevating hatch from the inside of the car Enlarged cross-sectional view of the hinge-facing side of the ceiling elevating hatch The figure of the state where the roof raising and lowering hatch and the ceiling raising and lowering hatch are opened Top view of a vehicle with a roof lift hatch Side view of a vehicle with a roof lift hatch

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Vehicle, 5 ... Outer hood, 7 ... Roof structure, 8 ... Roof raising / lowering hatch, 9 ... Ceiling raising / lowering hatch, 11 ... Roof opening, 12 ... Roof lid, 13 ... Ceiling panel, 14 ... Ceiling opening 15, ceiling lid, 17 hinge, 18 gas damper, 19 lock receiver for roof lid, 20 packing, 21 lock member for roof lid, S sealing agent, 31 damper Hinges, 32, 33 ... Locking member for ceiling lid, 34, 35 ... Lock receiver for ceiling lid

Claims (8)

A roof opening serving as an entrance and exit is formed in the roof structure of the vehicle, and a roof lid for closing the roof opening is rotatably provided to the inside of the vehicle. A packing is interposed between the outer periphery of the lid for the roof and an airtight structure is formed between the outer periphery and the inner periphery with the roof opening closed, and between the outer periphery and the packing. And a drainage pipe for draining rainwater that has entered between the outer peripheral edge and the inner peripheral edge to the lower part of the vehicle body through the side wall of the vehicle body. The railway vehicle according to claim 1, wherein the roof opening is formed by notching an inner plate of the roof structure larger than an outer plate. The space between the peripheral edge of the roof opening and the peripheral edge of the roof lid in a closed state is sealed with a sealing agent filled from the outer surface side of the roof structure. The railway vehicle according to claim 1 or 2. 4. The railway vehicle according to claim 1, wherein when the roof lid is closed, an outer surface thereof is formed flush with an outer surface of the roof structure. 5. The roof opening formed by cutting the inner plate of the roof structure larger than the outer plate has two sides facing the vehicle body side direction and two inner plates facing the vehicle body front-rear direction than the outer plate. Reinforcement of each side is formed by cutting out a large square and welding joining each of the sides between the inner plate and the outer plate so that a reinforcing bone is inclined inward toward the roof opening toward the outer plate. A quadrangular frame is welded and joined to the bone and the outer plate, and the frame has a tapered surface portion to be joined to the reinforcing bone on each side and a plane portion to be joined to the lower surface of the outer plate on each side. railway vehicle according to claim 2, characterized in that it has and. Among the tapered surface portions, a taper surface joined to one side of the roof opening on the side surface of the vehicle body is attached with a hinge for opening the roof lid to the inside of the vehicle and supports the roof lid. A damper is attached, and the rest of the taper surface portions of the three sides are respectively attached lock receivers when the roof lid is closed, and the flat portion of each side has an inner portion of the roof opening. The packing is attached so as to surround the periphery, and the lid for the roof is a rectangular lid plate having a size that forms a slight gap with the outer plate on the four peripheral edges of the roof opening, and the lid plate And a flange portion having a substantially L-shaped cross section that is joined as an outer peripheral edge inside each of the four circumferences, and the hinge is attached to a flange portion on one side of the roof opening portion of the flange portion, The rest of the flange The sides, the railway vehicle according to claim 5, characterized in that said each engaged lock closing the roof lid body member to each interlocking attached. The bent portion of the flange portion is formed in a concave shape over the entire circumference so as to be a rainwater trapped from the gap between the edge of the roof opening and the edge of the cover plate, and the gap between the two edges It is formed in a concave shape over the entire circumference so as to become a rainwater trap that has entered from, and the drainage pipe for draining the collected rainwater through a hose is provided on the trap. 6. The railway vehicle according to 6 . A ceiling opening having a size capable of opening and closing the roof lid is formed on the ceiling panel below the roof opening, and the ceiling lid that closes the ceiling opening can be turned to the inside of the vehicle. Rail vehicle according to any one of claims 1 to 7, characterized in that provided.

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